package com.sky.controller.user;

import com.sky.constant.StatusConstant;
import com.sky.entity.Dish;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.List;

/**
 * @author xmy
 * @version 1.0
 */
@RestController("userDishController")
@Slf4j
@RequestMapping("/user/dish")
@Api(tags = "用户菜品浏览接口")
public class DishController {

    @Autowired
    private RedisTemplate redisTemplate;
    @Autowired
    private DishService dishService;
    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @ApiOperation("根据分类id查询菜品")
    @GetMapping("list")
    public Result<List<DishVO>> getById(Long categoryId){
        //构造redis中的key
        String key="dish_"+categoryId;
        //查询redis中是否存在缓存数据
        List<DishVO> dishVOS= (List<DishVO>) redisTemplate.opsForValue().get(key);
        if(dishVOS!=null&&dishVOS.size()>0){
            //如果存在，直接返回
            return Result.success(dishVOS);
        }
        Dish dish =new Dish();
        dish.setCategoryId(categoryId);
        dish.setStatus(StatusConstant.ENABLE);
        //如果不存在，查询数据库，然后将数据返回redis
        dishVOS=dishService.getByCategoryId(categoryId);
        redisTemplate.opsForValue().set(key,dishVOS);
//        if (dishVOS != null && !dishVOS.isEmpty()) {
//            for(DishVO dishVO:dishVOS){
//                redisTemplate.opsForValue().set(key, dishVO);
//            }
//
//        }

        return Result.success(dishVOS);
//        log.info("菜品分类id:{}",categoryId);
//        List<DishVO> dishVOList=dishService.getByCategoryId(categoryId);
//        return Result.success(dishVOList);dishVOList
    }
}
